Predict the charge that an ion formed from sodium would have A.) 1-
B.) 6+
C.) 3-
D.) 1+
E.) 2-

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o